Only music in MP3 or WMA format is supported when you dock your iPod on the device.
If some of the music on your iPod cannot be played via the device, try the following:
- Press the Source button on the device repeatedly (or the MP3 link button on the remote control) to select MP3 link source
- Use the supplied MP3 link cable to connect your iPod to the device
- Start music playback on your iPod